Average
#5037 of 9,539 schools in CA
Excelsior Middle
Middle School · Byron Union Elementary · Byron, CA
A Byron Union Elementary middle school where students score 20 points below what's typical for similar communities.
14301 Byron Hwy., Byron, CA 94514
- Math 32% vs CA 34% (2024)
- Reading 41% vs CA 47% (2024)
- 19.2:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Excelsior Middle score 36% proficient, which is below what's typical for similar communities (expected: 56%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
↑ RecoveringProficiency declined earlier in the 16-year record (2009–2024), then recovered 12 points since 2020, reaching 36% in 2024.
Show all 14 years
Multi-year averages used by the rating model: math 40% (multi-year average, 2009-2024) · reading/ELA 46% (multi-year average, 2009-2024)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 34 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
32.2%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Excelsior Middle sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Francisco Bay Area map →
Getting around & local context
- Walk 12Car-Dependent
- Bike 28Somewhat Bikeable
- County Safety: Low243/100K
Powered by
FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details
Source period: 2024. A newer release may be available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$97,946
Median home value
$852,900
Median rent
$2,496/mo
College educated
18.4%
Homeownership
63.3%
Poverty rate
14.3%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94514; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
1 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Edna Hill MiddleEnrollment path unverified | 5.8 | 6–8 | 4.6 mi | 998 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Byron Union Elementary
- Schools in district
- 4
- Rank in district
- #2 of 3
- District spending per student
- $15,770NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 7.7%Census SAIPE · 2024
Excelsior Middle is listed in Byron Union Elementary; a district label does not verify attendance for an address.
About Excelsior Middle
Excelsior Middle is a public middle school in Byron, CA, part of Byron Union Elementary, serving approximately 423 students in grades 6th-8th with a 19.2:1 student-teacher ratio. It holds a MySchoolScout rating of 6.2 out of 10 and ranks #5,037 of 9,539 schools in CA. State assessment records show 40% math proficiency (multi-year average, 2009-2024) and 46% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Excelsior Middle
What grades does Excelsior Middle serve?
Excelsior Middle serves students in grades 6th through 8th.
How many students attend Excelsior Middle?
Excelsior Middle has an enrollment of approximately 423 students.
What is the student-teacher ratio at Excelsior Middle?
The student-teacher ratio at Excelsior Middle is 19.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Excelsior Middle rank in CA?
Excelsior Middle ranks #5,037 of 9,539 schools in CA.
What is Excelsior Middle's MySchoolScout rating?
Excelsior Middle has a current MySchoolScout rating of 6.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Excelsior Middle?
Based on loaded state assessment records, Excelsior Middle has 40% math proficiency (multi-year average, 2009-2024) and 46% reading/ELA proficiency (multi-year average, 2009-2024).
Is Excelsior Middle a charter school?
No, Excelsior Middle is not a charter school. It is a traditional public school operated by the local school district.
Is Excelsior Middle a Title I school?
No, Excelsior Middle is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Excelsior Middle?
32.2% of students at Excelsior Middle qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 6th – 8th
- Enrollment
- 423
- Student-Teacher Ratio
- 19.2:1
- Teachers (FTE)
- 22
- Type
- regular
- Setting
- Fringe Rural
- County
- Contra Costa County
- Chronic Absenteeism (SY 2022-23)
- 22.9%
- Phone
- (925) 809-7530
- Area population (ZIP 94514)
- 2,044
- Area median age
- 43.6
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 94514; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
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